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Paper Abstract and Keywords
Presentation 2010-08-26 09:30
Millimeter Wave Intra Car Communications System Using Radio Hose
Kazuya Fujita, Hirokazu Sawada, Shuzo Kato (Tohoku Univ.) RCS2010-79
Abstract (in Japanese) (See Japanese page) 
(in English) In order to lower the car’s weight, fuel consumption, this paper proposes an intra car communication system in which the wire harness is replaced with the radio hoses. The proposed intra car communication system uses a radio hose, a metalized flexible rubber hose that works as an oversized waveguide. The proposed system will provide much higher reliability than conventional wireless communications and also significantly better reliability than wired harness since the broken hoses could be used for communications with high reliability. Although the operating frequencies can be from low to high due to NO RADIATION from the radio hoses, 60 GHz bands have been selected for small and light weight transmitter and receiver implementations followed by microwave frequencies. The propagation experiments have been done on different radiuses, shapes and lengths of hoses in both 60 GHz and microwave. The results show a much lowered path loss of 47 dB at 4 m length, about 33 dB lower from conventional “line of sight” wireless communications, and a very low delay spread which necessitates neither the use of OFDM transmission scheme, nor complicated equalizers for Single carrier transmission. These results have proven the high possibility of the proposed radio hose for wireless harness.
Keyword (in Japanese) (See Japanese page) 
(in English) Road vehicles / Communication systems / Circular waveguides / Microwave propagation / Millimeter wave radio propagation / / /  
Reference Info. IEICE Tech. Rep., vol. 110, no. 175, RCS2010-79, pp. 9-12, Aug. 2010.
Paper # RCS2010-79 
Date of Issue 2010-08-19 (RCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF RCS2010-79

Conference Information
Committee SAT RCS  
Conference Date 2010-08-26 - 2010-08-27 
Place (in Japanese) (See Japanese page) 
Place (in English) Kagoshima Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To RCS 
Conference Code 2010-08-SAT-RCS 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Millimeter Wave Intra Car Communications System Using Radio Hose 
Sub Title (in English)  
Keyword(1) Road vehicles  
Keyword(2) Communication systems  
Keyword(3) Circular waveguides  
Keyword(4) Microwave propagation  
Keyword(5) Millimeter wave radio propagation  
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Keyword(7)  
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1st Author's Name Kazuya Fujita  
1st Author's Affiliation Tohoku University (Tohoku Univ.)
2nd Author's Name Hirokazu Sawada  
2nd Author's Affiliation Tohoku University (Tohoku Univ.)
3rd Author's Name Shuzo Kato  
3rd Author's Affiliation Tohoku University (Tohoku Univ.)
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Speaker Author-1 
Date Time 2010-08-26 09:30:00 
Presentation Time 20 minutes 
Registration for RCS 
Paper # RCS2010-79 
Volume (vol) vol.110 
Number (no) no.175 
Page pp.9-12 
#Pages 4 
Date of Issue 2010-08-19 (RCS) 

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